Chronic Migraine Headache Prevention with Noninvasive Vagus Nerve StimulationNeurol 87:529-538, Silberstein, S.D.,et al, 2016
Evidence-Based Treatments for Adults with MigrainePain Reser Treat 2015:DOI:10.1155/2015/629382, Gooriah, R.,et al, 2015